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VERSION:2.0
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UID:launch-d7e9249d-1e33-4fac-bec8-ac94c365f6e2@padside
DTSTAMP:20261016T121619Z
DTSTART;VALUE=DATE:20150520
SUMMARY:Atlas V 501 | OTV-4 (X-37B) (USA 261) (AFSPC-5) & ULTRASat cubesat 
 deployer
DESCRIPTION:It is the second flight of the second Boeing X-37B vehicle and 
 the fourth flight of the program. United States Air Force Orbital Test Veh
 icle is an unmanned 5000 kg\, 8.8 m-long reusable mini-spaceplane capable 
 of autonomous re-entry and landing. The OTV-4  mission was to test Aerojet
  Rocketdyne's XR-5A Hall-effect thruster and conduct a NASA investigation 
 for testing various materials in space. The mission concluded after 717 da
 ys in orbit\, marking the first time X-37B landed on the Shuttle Land
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